{"word":"hello","language":"en","phonetic":"/həˈləʊ/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/hello-au.mp3","origin":null,"meanings":[{"partOfSpeech":"noun","synonyms":["greeting"],"antonyms":[],"definitions":[{"definition":"\"Hello!\" or an equivalent greeting.","example":null,"synonyms":[],"antonyms":[]}]},{"partOfSpeech":"verb","synonyms":[],"antonyms":[],"definitions":[{"definition":"To greet with \"hello\".","example":null,"synonyms":[],"antonyms":[]}]},{"partOfSpeech":"interjection","synonyms":[],"antonyms":["bye","goodbye"],"definitions":[{"definition":"A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.","example":"Hello, everyone.","synonyms":[],"antonyms":[]},{"definition":"A greeting used when answering the telephone.","example":"Hello? How may I help you?","synonyms":[],"antonyms":[]},{"definition":"A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected.","example":"Hello? Is anyone there?","synonyms":[],"antonyms":[]},{"definition":"Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish.","example":"You just tried to start your car with your cell phone. Hello?","synonyms":[],"antonyms":[]},{"definition":"An expression of puzzlement or discovery.","example":"Hello! What’s going on here?","synonyms":[],"antonyms":[]}]}],"cached":false,"timestamp":"2026-06-22T09:11:53.139Z"}
curl --location --request GET 'https://zylalabs.com/api/12972/data+and+utilities+api/25940/dictionary+definitions' --header 'Authorization: Bearer YOUR_API_KEY'
{"word":"happy","language":"en","results":[{"partOfSpeech":"verb","synonyms":["happify"],"antonyms":[],"relatedDefinition":"Often followed by up: to become happy; to brighten up, to cheer up."},{"partOfSpeech":"adjective","synonyms":["cheerful","content","delighted","elated","exultant","glad","joyful","jubilant","merry","orgasmic","fortunate","lucky","propitious"],"antonyms":["inappropriate","inapt","unfelicitous","disenchanted","dissatisfied","blue","depressed","down","miserable","moody","morose","sad","unhappy","unfortunate","unlucky","unpropitious"],"relatedDefinition":"Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous."}],"totalSynonyms":14,"totalAntonyms":16,"cached":false,"timestamp":"2026-06-22T09:12:37.485Z"}
curl --location --request GET 'https://zylalabs.com/api/12972/data+and+utilities+api/25941/synonyms+%26+antonyms' --header 'Authorization: Bearer YOUR_API_KEY'
{"ip":"8.8.8.8","location":{"country":"United States","countryCode":"US","region":"Virginia","city":"Ashburn","latitude":39.03,"longitude":-77.5,"timezone":"America/New_York"},"network":{"isp":"Google LLC","org":"Google Public DNS","as":"AS15169 Google LLC"},"cached":false,"timestamp":"2026-06-22T09:13:27.267Z"}
curl --location --request GET 'https://zylalabs.com/api/12972/data+and+utilities+api/25942/ip+geolocation' --header 'Authorization: Bearer YOUR_API_KEY'
{"location":{"latitude":1.29,"longitude":103.85,"resolvedFrom":"city","city":"Singapore, Singapore"},"current":{"temperature":28.2,"windSpeed":10.7,"windDirection":210,"weatherCode":3,"weatherDescription":"Overcast","isDay":true},"units":{"temperature":"°C","windSpeed":"km/h"},"sources":["Open-Meteo"],"cached":true,"timestamp":"2026-06-22T09:13:46.114Z"}
curl --location --request GET 'https://zylalabs.com/api/12972/data+and+utilities+api/25943/real-time+weather' --header 'Authorization: Bearer YOUR_API_KEY'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Data and Utilities API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
(Save 2 months with annual billing 🎉)
Trusted by leading companies
A comprehensive suite of utility APIs offering Dictionary definitions, Synonyms/Antonyms matching, IP Geolocation, and real-time Global Weather data.
Each endpoint returns specific types of data: the Dictionary Definitions endpoint provides word definitions, phonetics, and origins; the Synonyms & Antonyms endpoint offers related words categorized by part of speech; the IP Geolocation endpoint returns location details for IP addresses; and the Real-time Weather endpoint delivers current weather conditions based on location inputs.
Key fields vary by endpoint: for Dictionary Definitions, fields include "word," "phonetic," and "meanings"; for Synonyms & Antonyms, fields include "word," "synonyms," and "antonyms"; for IP Geolocation, fields include "ip," "location," and "network"; and for Real-time Weather, fields include "location," "current," and "units."
Parameters vary by endpoint: the Dictionary Definitions endpoint requires a word; the Synonyms & Antonyms endpoint also requires a word; the IP Geolocation endpoint requires an IPv4 or IPv6 address; and the Real-time Weather endpoint accepts a city name, IP address, or latitude/longitude coordinates.
Response data is organized into structured JSON objects. Each endpoint's response includes relevant fields grouped logically, such as "location" and "current" for weather data, or "meanings" and "partOfSpeech" for dictionary entries, making it easy to parse and utilize.
The data sources vary by endpoint: dictionary data is sourced from linguistic databases; synonyms and antonyms are derived from lexical resources; IP geolocation data is obtained from IP address registries; and weather data is sourced from meteorological services like Open-Meteo.
Typical use cases include enhancing applications with language features (e.g., definitions and synonyms), geolocation services for tracking user locations, and providing real-time weather updates for travel or event planning. Each endpoint serves distinct needs across various applications.
Users can utilize returned data by parsing the JSON structure to extract relevant information. For example, in weather data, users can access "current.temperature" for temperature readings, or in dictionary data, they can display "meanings" to provide definitions in applications.
Data accuracy is maintained through regular updates from reliable sources, validation checks, and user feedback mechanisms. For instance, weather data is continuously updated from meteorological services, while dictionary entries are reviewed for linguistic accuracy.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund